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CVE-2022-43283

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

5.5 MediumFix available

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.29%Down 0.6 points since Oct 29, 2022
90%50%10%1%

What each source reports

NVD Score used 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
CVE-2022-43283
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-434
Updated
2026-11-02
CVE List 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
CVE-2022-43283
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-434
Updated
2026-11-02
EUVDEUVD-2022-46327 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
EUVD-2022-46327
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-835w-28hj-65xx 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
GHSA-835w-28hj-65xx
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-434
Updated
2026-11-02
OSV 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
CVE-2022-43283
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2022-43283 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
DEBIAN-CVE-2022-43283
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVUBUNTU-CVE-2022-43283 5.5

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

Record
UBUNTU-CVE-2022-43283
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wabt
Debian:12
 before 1.0.30-1
1.0.30-1
wabt
Debian:13
 before 1.0.30-1
1.0.30-1
wabt
Debian:14
 before 1.0.30-1
1.0.30-1
wabt
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.0.11-11.0.12-11.0.13-11.0.13-1build1
 None known
wabt
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.0.20-11.0.24-11.0.24-21.0.25-11.0.26-11.0.27-1
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-43283 is a medium vulnerability (CVSS 5.5) in Webassembly Wabt, published October 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in wabt 1.0.30-1.

References

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